Sometimes you make references to moving averages when talking about resistance and support level. I believe you are using simple averages.

What do you think of exponential moving averages ? I read that they are a more reliable indication of averages as they don't suffer from the "drop-off" effect as would happen in simple moving averages when a large number is dropped off from the calulation when moving the period forward.

Most brokerage services should have access to after our trading.
Others might be able to help you answer that question better than I.
I use TC net which shows the bid and ask on the NASDAQ stocks after hours.

The simple moving averages is all you need for analysis, expedential moving averages were invented because most people could notuse simple moving averages effectively. The moving average is exactly what it says it is, the moving average of prices over the past X time period.
Use the simple moving averages. The point of using them is to see what candlestick signals may be forming at that level.